Power Cube Maintenance: Difference between revisions

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==Hydraulic System Maintenance==
'''Wear your Personal Protective Equipment'''


===Generic===
* ''Any intervention must be carried out with pressure and tension released."
* Check for visible leaks (particularly at connections). Tighten or seal if necessary.
* Check state of hydraulic fluid. Completely replace if deteriorating (sunk color, odor, milky aspect).
* Check hydraulic fluid level. Refill with same viscosity and to same line if necessary.
* If system is to be shut down for a long time, leave hydraulic oil in the circuit.
* Replace hydraulic fluid: every 24 months of use
* Replace hydraulic fluid filters: every 12 months
* Inspect hoses for damage, blisters, leaks or fraying. Replace if necessary.
* Ensure pressure relief valve is not held partially open by contamination.
* Check for corroded or loose fasteners.
===Pump Maintenance===
Performance parameters:
* suction pressure (Ps)
* discharge pressure (Pd)
* flow (Q)
* pump speed (Nr)
* pumpage properties
* power


==Engine Maintenance==
Measure power with a clip on amp meter. It's not all that accurate, but it's good for a baseline comparison.
 
Locate suction and discharge gauges to determine (Ps) and (Pd).
* normal (perpendicular) to the pipe wall
* on centerline of pipe
* in a straight section of pipe
* not in the bottom or top (avoid air and solids)
 
Measure flow. It's difficult if a permanent flow meter isn't installed.
* insert a pitot tube into the pipe
* use a doppler or transitime device (non-intrusive)
* each measuring device must be calibrated (don't underestimate the importance of this)
 
===Fluid Maintenance===<ref>Hydraulic System Care & Maintenance, Mobil</ref>
* Control the temperature
* Keep the area clean
* Keep the fluid clean
* Follow an oil analysis program
 
 
 
==Mechanical System Maintenance==
 
===Engine Maintenance===
* Check oil level: every 5 hours
* Check oil level: every 5 hours
* Change oil and oil filter: after first five hours
* Change oil and oil filter: after first five hours
Line 12: Line 57:
* Replace fuel filter: every 100 hours or every season
* Replace fuel filter: every 100 hours or every season
[http://www.briggsandstratton.com/engines/support/maintenance-how-to/Push%20Mower%20Engines/Tune-Up%20Schedule/ schedule from Briggs & Stratton website]
[http://www.briggsandstratton.com/engines/support/maintenance-how-to/Push%20Mower%20Engines/Tune-Up%20Schedule/ schedule from Briggs & Stratton website]
==Hydraulic Maintenance==
* ''Any intervention must be carried out with pressure and tension released."
* Check for visible leaks (particularly at connections). Tighten or seal if necessary.
* Check state of hydraulic fluid. Completely replace if deteriorating (sunk color, odor, milky aspect).
* Check hydraulic fluid level. Refill with same viscosity and to same line if necessary.
* If system is to be shut down for a long time, leave hydraulic oil in the circuit.
* Replace hydraulic fluid: every 24 months of use
* Replace hydraulic fluid filters: every 12 months
* Inspect hoses for damage, blisters, leaks or fraying. Replace if necessary.
* Ensure pressure relief valve is not held partially open by contamination.
* Check for corroded or loose fasteners.

Revision as of 04:37, 20 December 2011

Hydraulic System Maintenance

Wear your Personal Protective Equipment

Generic

  • Any intervention must be carried out with pressure and tension released."
  • Check for visible leaks (particularly at connections). Tighten or seal if necessary.
  • Check state of hydraulic fluid. Completely replace if deteriorating (sunk color, odor, milky aspect).
  • Check hydraulic fluid level. Refill with same viscosity and to same line if necessary.
  • If system is to be shut down for a long time, leave hydraulic oil in the circuit.
  • Replace hydraulic fluid: every 24 months of use
  • Replace hydraulic fluid filters: every 12 months
  • Inspect hoses for damage, blisters, leaks or fraying. Replace if necessary.
  • Ensure pressure relief valve is not held partially open by contamination.
  • Check for corroded or loose fasteners.

Pump Maintenance

Performance parameters:

  • suction pressure (Ps)
  • discharge pressure (Pd)
  • flow (Q)
  • pump speed (Nr)
  • pumpage properties
  • power

Measure power with a clip on amp meter. It's not all that accurate, but it's good for a baseline comparison.

Locate suction and discharge gauges to determine (Ps) and (Pd).

  • normal (perpendicular) to the pipe wall
  • on centerline of pipe
  • in a straight section of pipe
  • not in the bottom or top (avoid air and solids)

Measure flow. It's difficult if a permanent flow meter isn't installed.

  • insert a pitot tube into the pipe
  • use a doppler or transitime device (non-intrusive)
  • each measuring device must be calibrated (don't underestimate the importance of this)

===Fluid Maintenance===[1]

  • Control the temperature
  • Keep the area clean
  • Keep the fluid clean
  • Follow an oil analysis program


Mechanical System Maintenance

Engine Maintenance

  • Check oil level: every 5 hours
  • Change oil and oil filter: after first five hours
  • Change oil: every 50 hours or every season (more often if dirty conditions)
  • Change oil filter: every 100 hours or every season
  • Replace foam air cleaner: every 25 hours or every season
  • Replace paper air filter: every 25 hours or every season
  • Replace paper air filter w/ foam air cleaner: every 100 hours or every season
  • Replace spark plugs: every 100 hours or every season
  • Replace fuel filter: every 100 hours or every season

schedule from Briggs & Stratton website

  1. ↑ Hydraulic System Care & Maintenance, Mobil
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